If F(x)=2x+1 and g(x)=x^2+7, which of the following is equal to f(g(x))?
Answers
Answered by
0
Step-by-step explanation:
f (g (x))= f (x^2+7) = 2 (x^2+7)+1 = 2x^2+14+1
= 2x^2+15
Answered by
1
Step-by-step explanation:
so basically f(g(x)) is telling you to plug the entire g(x) equation into x in the f(x) equation so it will look like this
2(x^{2} +7x
2
+7 ) + 1
and then simplify
2x^{2} +14 + 12x
2
+14+1
2x^{2} +152x
2
+15
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